Automatic configuration of my several years(!!) old printer still doesn't work perfectly. So after an update the printer settings in cups had been changed and I could hardly find any solutions on the internet. So it might be useful to remember the following.

Requirements:

Linux 3.2.12 (Gentoo Linux)

Cups 1.5.2

hplip 3.12.6

HP Photosmart 7960

Configuration:

Hplip und cups 1.4+ use raw USB devices, so it requires usblp not to be loaded.

When there is no printer installed or all printers had been deleted, plugging in the photosmart leads to an automatic installation and configuration via UDEV.After that the printer is addressed at the URI

hp://usb/photosmart7900series?serial=CN38MXXXXXXX

a first page may be printed but after that the printing system stands still with the following entries in system log file: